full-disclosure - Re: DLL hijacking POC (failed, see for yourself)

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Message-ID: <eabbeb43255ae0cea9dbca3cf3153e8a@mail.gmail.com>
Date: Thu, 2 Sep 2010 09:46:25 -0400
From: Larry Seltzer <larry@...ryseltzer.com>
To: Christian Sciberras <uuf6429@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: DLL hijacking POC (failed, see for yourself)

I don’t think you read my e-mail. They fixed it. Have you retested today?

*From:* Christian Sciberras [mailto:uuf6429@...il.com]
*Sent:* Thursday, September 02, 2010 9:44 AM
*To:* Larry Seltzer
*Cc:* full-disclosure@...ts.grok.org.uk
*Subject:* Re: [Full-disclosure] DLL hijacking POC (failed, see for
yourself)

As I said at the very first email, the POC, even at it's best, doesn't work
on my 64bit system at all.

Regards,
Chris.

On Thu, Sep 2, 2010 at 3:41 PM, Larry Seltzer <larry@...ryseltzer.com>
wrote:

FYI everyone, ACROS has fixed the POC for 64-bit systems. The old one
failed on my Win7 64-bit and the new one works.

http://www.binaryplanting.com/test.htm

I did notice that if you just click on the link
(\\www.binaryplanting.com\demo\windows_address_book_64) Windows turns it
into a file:// url and opens it in the default browser (Chrome in my
case). The POC won't work because there's no remote CWD (at least I
imagine there isn't).  If this is consistent behavior then I think it's a
serious mitigation, since users typically click on links, not open
Explorer and paste them.

Am I wrong on Windows behavior here?

LJS

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